20619840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:524

約数の個数: 112

約数和(自身を含む): 67007232

約数和(自身を除く): 46387392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 141, 160, 188, 192, 235, 240, 282, 320, 376, 457, 470, 480, 564, 705, 752, 914, 940, 960, 1128, 1371, 1410, 1504, 1828, 1880, 2256, 2285, 2742, 2820, 3008, 3656, 3760, 4512, 4570, 5484, 5640, 6855, 7312, 7520, 9024, 9140, 10968, 11280, 13710, 14624, 15040, 18280, 21479, 21936, 22560, 27420, 29248, 36560, 42958, 43872, 45120, 54840, 64437, 73120, 85916, 87744, 107395, 109680, 128874, 146240, 171832, 214790, 219360, 257748, 322185, 343664, 429580, 438720, 515496, 644370, 687328, 859160, 1030992, 1288740, 1374656, 1718320, 2061984, 2577480, 3436640, 4123968, 5154960, 6873280, 10309920, 20619840]

約数ペア:

[(1, 20619840), (2, 10309920), (3, 6873280), (4, 5154960), (5, 4123968), (6, 3436640), (8, 2577480), (10, 2061984), (12, 1718320), (15, 1374656), (16, 1288740), (20, 1030992), (24, 859160), (30, 687328), (32, 644370), (40, 515496), (47, 438720), (48, 429580), (60, 343664), (64, 322185), (80, 257748), (94, 219360), (96, 214790), (120, 171832), (141, 146240), (160, 128874), (188, 109680), (192, 107395), (235, 87744), (240, 85916), (282, 73120), (320, 64437), (376, 54840), (457, 45120), (470, 43872), (480, 42958), (564, 36560), (705, 29248), (752, 27420), (914, 22560), (940, 21936), (960, 21479), (1128, 18280), (1371, 15040), (1410, 14624), (1504, 13710), (1828, 11280), (1880, 10968), (2256, 9140), (2285, 9024), (2742, 7520), (2820, 7312), (3008, 6855), (3656, 5640), (3760, 5484), (4512, 4570)]